Home / 40,358.78-55,661.96-35,824.78

Finding the Fourth Proportional to 40,358.78, 55,661.96 and 35,824.78

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Solution

The fourth proportional to 40,358.78, 55,661.96 and 35,824.78 is: 49,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.78 : 55,661.96 = 35,824.78 : x
  2. Step 2: Convert to fraction form
    40,358.78/55,661.96 = 35,824.78/x
  3. Step 3: Cross multiply
    40,358.78x = 55,661.96 × 35,824.78
  4. Step 4: Simplify right side
    40,358.78x = 1,994,077,471.37
  5. Step 5: Solve for x
    x = 1,994,077,471.37/40,358.78
  6. Step 6: Final answer
    x = 49,408.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.